Home / 38,488.80-57,741.30-12,196.20

Finding the Fourth Proportional to 38,488.80, 57,741.30 and 12,196.20

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Solution

The fourth proportional to 38,488.80, 57,741.30 and 12,196.20 is: 18,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.80 : 57,741.30 = 12,196.20 : x
  2. Step 2: Convert to fraction form
    38,488.80/57,741.30 = 12,196.20/x
  3. Step 3: Cross multiply
    38,488.80x = 57,741.30 × 12,196.20
  4. Step 4: Simplify right side
    38,488.80x = 704,224,443.06
  5. Step 5: Solve for x
    x = 704,224,443.06/38,488.80
  6. Step 6: Final answer
    x = 18,296.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.